Furnace for the distillation of metals.



{ R.H.ENGLE. FURKNACE FOR THE DISTILLATION 0F METALS.

APPLICATION FILED NOV. 26 19151 I LlfiUJ. 1%.. Patented Apr. 18, 1916.

3SHEETS--SHEE T I.

JMW

R. H. ENGLE.

FURNACE FOR THE DISTILLATION 0F METALS.

APPLICATION FILED NOV. 26.1915.

I 1., mm 1 1 Patented Apr. 18, 1916.

3 SHEETSSHEET 2- MM, W

R. H. ENGLE.

FURNACE FOR THE DISTILLATION 0F METALS.

' APPLICATION FILED NOV. 26, ms.

Llfifll 1%. latmltvd Apr. I8, 1916.

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' weenie.

- EUPEEE-T H. ENGLE, F TRENTON, NEW JERSEY.

' t1: ACE THE DISTTLIIATION OE ll.

Specification of Letters Patent. Patented Apr. ll, llfi ll fimApplication filed November 26, 1915. Serial ltorflfldtfi.

' thecompact grouping of a series of such'r'etorts, and to simplify andcheapen the construction of a furnace having such series of retorts,These objects I attain in themanner hereinafter-set forth, referencebeing had to the accompanying drawings, in which Figure 1 1s atransverse vcrtlcal section of a furnace constructed in accordance withmy.

invention; Fig. 2 isa horizontal section of the same on the line a a,Fig. 1, Fig.3 is a vertical section of one of the retorts and of, thefireplace associated therewith, said section being taken on the line-4), Fig. l,

and Fi 4 is a horizontal section similar to 'Fig. 2 ut'on a smallerscale and omitting "the retorts, this view illustratinga modifica- 'tionof the invention.

I The furnace has a central stack structure 1 containing a stack chamber2 and providing a seat forthe metal stack 3 when the same is used.Radiating from the central stack structure are a series of fire laces(eight in the present instance) 'each 0 these I fireplaces having'a'combustion chamber 4,

till

. attachment thereto of the usual condensing I a grate 5;, and an ashpit 6, and crossing each combustlon chamber from back to front is.

a retort 7 whose neck projects throu h the h'ontwall of the combustionchamber or the neck, such as shown by dotted lines in Fig. 1. Each ofthe combustion'chambers is connected/to the chamberiQ by means of aflue' system comprising a descending flue 8 which is'in counication atthe top with the combustion chamber at through a. flue 9 and at thebottom with the stack chamber 2 through a flue 10, the inner end of theretort bei.

eosed to the products of. combustion de-' ecending the flue 8, as shownin Fig. 1, The front wall of the fireplace is inclined backwardly frombottom to tog, so as to-permit the desired projection of t check of canreadil tort, and to deflect toward the flue 9 the grod4ucts. ofcombustion rising in the cham- The descending flue is deflectedforwardly in line with the inner end of the retort by means of aprojection 11- formed on the stack structure 1 as shown in Fig. 1, hencethe products of combustion in each fireplace are caused to pass firstaround that portion of the retort contained in said combustionchamberand then to descend the flue 8, and

in traversing said flue are deflected into con tact with the inner endof the retort, thus insuring contact of the roducts of combustion withall portions 0 the retort not actu-' ally embedded in the supportingwalls, the result being that the contentsof the retort not only havetheir temperature quickly raised to the distillation point but suchdistillation process is quickly completed. The

, lower end of each descending flue 8 is also in communication, througha short flue 12, with the ash pit 6 of its correspondingfireplace, andsaid'flue 12 contains a check draft damper 13 which may be 0 ened whenit is desired tocheck the dra through the flue 8 or closed when fulldraft through said flue 8 is required.

The stack chbcr 2 extends below the flues and the lower portion of saidstack chamber communicates with a tunnel 1a through which access may behad to the interior of the stack chamber for cleaning the same, or forother purposes, the inner end of said tunnel being normally closed by a.door 15.

ile I have shown my invention'as applied to a furnace havingthefireplaces and retorts grouped around acentral stack, and

while prefer this-arrangement because it simplifies construction andreduces cost, the flue system which it havedcscribed can with like goodresults be employed in connection with a furnace havingbut a singlefireplace.

In the construction of the furnaceheretofore described and shown eachretort is acted upon only by the products of combustion from its ownfireplace but if it is desired to mingle the products'of combustion fromthe difl'erent fireplaces and then distribute such mixed products ofcombustion to the various descendin flues 8, this be accomplishedproviding, at o the separate upper fluent,

9 back flue communicating at the top with the a combustion chamber ofsaid fireplace and chamber, a fireplace at one side thereof, a

' 7 back flue communicating at the top with the combustion chamber ofsaid fireplace and at the bottom with the stackchamber,

and a retort mounted in said fireplace so as to extend across thecombustion chamber thereof, the inner end. of said retort being exposedto the products of combustion descendingthe back flue.

2. A distillation-furnace having a stack chamber, a fireplace at oneside thereof, a back flue communicating at the top with the combustionchamber of said fireplace and at the bottom with the stack chamber, anda retort mounted in said fireplace so as to extend across the combustionchamber thereof, the inner end of said retort being exposed to theproducts of combustion descending said back flue, and the latter havingtherein a projection for deflecting said descending products ofcombustion for;-

wardly against said inner end of the retort.

3, A distillation furnace having a stack chamber, a fireplace at oneside thereof, a

at the bottom with the stackchamber and also with the ash pit of thefireplace, a check draft damper for opening or'closing the lattercommunication, and a retort mounted in the fireplace so as to extendacross the combustion chamber thereof, the.

means inner end of said retort being exposed to the products ofcombustion descending said back flue.

4:. The combination in a distillation furnace, of a stack chamber, afireplace at one side thereof, said fireplace having a backthrough thebackwardly inclined front wall of the fireplace.

' 5. The combination, in a distillation furnace, of a central stackstructure with chamber therein, a series of fireplaces grouped aroundsaid stack structure, a series of descending flues each communicating atthe top with the combustion chamber of one of the fireplaces and at thebottom with the stack chamber, and retorts mounted in said fireplacessoas to extend across the combustion chambers thereof, each of saidretorts being exposed at its inner end to its respective descendingflue.

In testimony whereof, I have signed my name to this specification, inthe presence of two subscribing witnesses.

Eennnano VOLLMER, Jr

